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The external measurements of a wooden box are 1.0 m long, 70 cm wide and 40 cm high. The wood used in making the box is 1.5 cm thick and has a density of 0.8 g/#cm^3#. The box contains 25 packets of tools. Each packet holds a dozen tools and each tool weighs 108.5 g. Calculate
a) the volume of wood used in making the box.
b) to 2 decimal places the mass of the empty box in kilograms
c) to 1 decimal place the gross mass of the box in kilograms.